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Timo



Member Since: 14 Jul 2011
Location: Peterborough Ontario
Posts: 171
Canada 1984 Defender 110 300 Tdi SW Alveston Red
stalling under deceleration
Hi all

I have an 1984 110 with a Rover V8 and SU carbs. Everything is actually running well since I put the electronic ignition and new coil in last fall. I know that my compression is low (80-90psi - book says min should be 135) and I have a rebuild in my future. Now when I am slowing down and just getting to idle coming up to a stop sign she wants to (and does) stall. If I do a quick blib of the gas pedal it seems to correct it and then it idles fine. Any ideas?

Cheers

Tim Series II in pieces
1984 Defender 110 (3.5l V8 now 300TDI)
Post #244992 20th Jun 2013 12:06am
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JWL



Member Since: 26 Oct 2011
Location: Hereford
Posts: 3443
England 2002 Defender 110 Td5 SW Coniston Green
This is taking me back years, it's a long time since I've had anything to do with petrols. It could be the pipe controlling the advance/retard on the distributor body. Or something within the mechanism of the vacuum advance/retard system. It may be that the ignition pack (goes in place of the points?) may be impeeding the movement of the plate in the distributor.
Post #244994 20th Jun 2013 12:33am
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gbmud



Member Since: 02 Jun 2013
Location: Sussex, UK
Posts: 167
2005 Defender 110 Td5 HT Belize Green
Just before you stop, push the clutch down.

Chris
Post #245276 21st Jun 2013 8:04am
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K9F



Member Since: 12 Nov 2009
Location: Bournemouth
Posts: 9610
United Kingdom 2008 Defender 90 Puma 2.4 XS CSW Stornoway Grey
^^^^

Feel free to print off and adhere it to the back of your Land Rover! Laughing It is after all green and oval! Thumbs Up

 If you go through life with your head in the sand....all people will see is an ar5e!!

Treat every day as if it is your last....one day you will be right!!
Post #245278 21st Jun 2013 8:08am
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Timo



Member Since: 14 Jul 2011
Location: Peterborough Ontario
Posts: 171
Canada 1984 Defender 110 300 Tdi SW Alveston Red
gbmud wrote:
Just before you stop, push the clutch down.

Chris


Ahhh. Not sure if that was meant to be funny or not?

Yes. In neutral it stalls (or tries to) as I am coming to a stop

Tim Series II in pieces
1984 Defender 110 (3.5l V8 now 300TDI)
Post #245782 23rd Jun 2013 12:43am
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JWL



Member Since: 26 Oct 2011
Location: Hereford
Posts: 3443
England 2002 Defender 110 Td5 SW Coniston Green
As I said above it's either the vacuum advance/retard system on the ignition not compensating for the load change on the engine or it is petrol starvation, check fuel flow, tick over speed may be a bit low but if the carb is good I would veer more towards an ignition problem.
Post #245834 23rd Jun 2013 9:59am
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K9F



Member Since: 12 Nov 2009
Location: Bournemouth
Posts: 9610
United Kingdom 2008 Defender 90 Puma 2.4 XS CSW Stornoway Grey
I agree with JWL, there is a little capsule assembly on the side of the base of your distributor with a small rubber pipe coming off it. I would check the pipe isn't holed, blocked or perished and also check the diaphragm in the capsule itself is intact. You can do this by gently blowing down the disconnected pipe and seeing if it holds pressure and with the distributor cap off see if the plate moves within.
On my old 3.9 the pipe was cracked. Hope you get it sorted and it's an easy fix!

Thumbs Up If you go through life with your head in the sand....all people will see is an ar5e!!

Treat every day as if it is your last....one day you will be right!!
Post #245842 23rd Jun 2013 10:10am
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Timo



Member Since: 14 Jul 2011
Location: Peterborough Ontario
Posts: 171
Canada 1984 Defender 110 300 Tdi SW Alveston Red
Thanks guys. Ill check the vac advance/retard when I get a chance. I just changed the hoses last fall but ill check this first, along with the capsule assembly

Cheers
Tim Series II in pieces
1984 Defender 110 (3.5l V8 now 300TDI)
Post #246143 24th Jun 2013 2:10am
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gbmud



Member Since: 02 Jun 2013
Location: Sussex, UK
Posts: 167
2005 Defender 110 Td5 HT Belize Green
Timo wrote:


Ahhh. Not sure if that was meant to be funny or not?



Funny. ...and facetious!

I wil try to be more helpful. While the vacuum advance mechanism may be the problem, it is also possible that the 'bob' weights inside the distributer are sticking. These advance the ignition timing as engine speed increases and the mechanism can (and often does) stick in the advance position. This may be due to corrosion, accumulation of foreign debris or spring weakening. It is possible that once the engine is stopped they return to their correct position and will once again allow the engine to tick over once restarted. Worth a look...

Chris
Post #246197 24th Jun 2013 9:36am
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Timo



Member Since: 14 Jul 2011
Location: Peterborough Ontario
Posts: 171
Canada 1984 Defender 110 300 Tdi SW Alveston Red
Thanks all. Ill check this weekend when I may actually have some time.......

T Series II in pieces
1984 Defender 110 (3.5l V8 now 300TDI)
Post #246835 26th Jun 2013 2:04am
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Timo



Member Since: 14 Jul 2011
Location: Peterborough Ontario
Posts: 171
Canada 1984 Defender 110 300 Tdi SW Alveston Red
OK. So I actually had some time to look at things this weekend. The plate that the electronic ignition sits on had come out of its holder and was not attached to the vacuum advance conections. I didnt get time for a good drive today but i suspect this was the problem. Will report back later once I have had a chance to drive her

Cheers

Tim Series II in pieces
1984 Defender 110 (3.5l V8 now 300TDI)
Post #248220 2nd Jul 2013 2:33am
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K9F



Member Since: 12 Nov 2009
Location: Bournemouth
Posts: 9610
United Kingdom 2008 Defender 90 Puma 2.4 XS CSW Stornoway Grey
It most certainly will have been the problem. Good result I'd say!!!!! Thumbs Up Thumbs Up If you go through life with your head in the sand....all people will see is an ar5e!!

Treat every day as if it is your last....one day you will be right!!
Post #248287 2nd Jul 2013 9:09am
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Timo



Member Since: 14 Jul 2011
Location: Peterborough Ontario
Posts: 171
Canada 1984 Defender 110 300 Tdi SW Alveston Red
Yes it runs much better now and doesn't try to stall at all

Next project is changing the dashpot oil....

Thanks for the direction

Cheers

Tim Series II in pieces
1984 Defender 110 (3.5l V8 now 300TDI)
Post #248409 2nd Jul 2013 3:38pm
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